Sökning: "Erik Wallén"

Hittade 2 avhandlingar innehållade orden Erik Wallén.

1. 1. Adsorption isotherms of H2 and mixtures of H2, CH4, CO and CO2 on copper plated stainless steel at 4.2 K and the large hadron collider vacuum system

   Författare :Erik Wallén; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; cryotrapping; CO; accelerators; CO2; physisorption; CH4; photon stimulated desorption; vacuum; isotherms; H2;

   Sammanfattning : .... LÄS MER

3. 2. Synchrotron Radiation, Adsorption Isotherms and the Large Hadron Collider Vacuum System

   Författare :Erik Wallén; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; H2; photon stimulated desorption; CO2; cryotrapping; liquid He; accelerators; isotherms; CH4; He; Monte Carlo simulations; synchrotron radiation; vacuum; CO; physisorption;

   Sammanfattning : In circular particle accelerators and storage rings with relativistic beams of particles, e.g. electrons or protons, the vacuum performance of the accelerator is determined by the outgassing from the walls of the beam vacuum chamber. LÄS MER